Monitor S430c and two PCs with one keyboard and mouse (not working)

[S430c]

Hello all. I just set up my HP S430c into operation.

My Desktop is connected with Display Port and USB-C 1 (Monitor) to USB-A (Desktop).

Mouse and Keyboard (connected via S430c USB Hub) works fine.

Now Desktop is switched OFF.

Now when I connect my Notebook with USB-C 2 to the S430c I got the Display and Charging for the Notebook, but Keyboard and Mouse does NOT work 😞

I can only use Mouse and Keyboard (connected on S430c USB Hub) on Notebook when I pull off the USB Cable from USB-C 1 at S430c  (which connects Desktop to the Display).

I do NOT want to operate two systems at once at the S430c, just either Desktop OR Notebook with one Mouse and Keyboard connected to S430c USB Hub.  Can anyone tell if/how this works?

I did not install HP S430c Device Bridge Software, because Notebook is Business System with limited administrative rights.

[banhien]

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@S430c wrote:

... Now when I connect my Notebook with USB-C 2 to the S430c I got the Display and Charging for the Notebook, but Keyboard and Mouse does NOT work 😞....

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@S430c 

What is your Notebook ? Does its USB-C port support Alt mode ?

Regards.